1.\" Copyright (c) 1999 Takanori Watanabe 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD: src/share/man/man4/intpm.4,v 1.8.2.4 2001/08/17 13:08:38 ru Exp $ 26.\" $DragonFly: src/share/man/man4/intpm.4,v 1.2 2003/06/17 04:36:59 dillon Exp $ 27.\" 28.Dd January 8, 1999 29.Dt INTPM 4 30.Os 31.Sh NAME 32.Nm intpm 33.Nd Intel PIIX4 Power Management controller driver 34.Sh SYNOPSIS 35.Cd device smbus 36.Cd device intpm 37.Sh DESCRIPTION 38This driver provides access to 39.Tn Intel PIIX4 PCI Controller function 3 , 40Power management controller. 41Currently, only smbus controller 42function is implemented. 43But it also have bus idle monitoring function. 44It 45will display mapped I/O address for bus monitoring function when attaching. 46.Sh SEE ALSO 47.Xr smb 4 , 48.Xr smbus 4 49.Sh HISTORY 50The 51.Nm 52driver first appeared in 53.Fx 3.4 . 54.Sh AUTHORS 55This 56manual page was written by 57.An Takanori Watanabe Aq takawata@shidahara1.planet.sci.kobe-u.ac.jp . 58.Sh BUGS 59This device requires IRQ 9 exclusively. 60To use this, you should enable 61ACPI function in BIOS configuration, or PnP mechanism assigns conflicted 62IRQ for PnP ISA card. 63And don't use IRQ 9 for Non-PnP ISA cards. 64